Human Biology - Exam 2 Review - Cells

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Across
  1. 2. 100% water to a cell
  2. 5. sperm cells are the only cells in the body that have these
  3. 6. a cell with two sets of chromosomes
  4. 7. hair-like structures in the respiratory pathway to keep the lungs clean
  5. 9. enough DNA to encode for a protein
  6. 11. energy carrying molecule used in anabolic pathways
  7. 12. movement of a molecule from high concentration to low
  8. 14. "All living things are composed of cells" is one part of the _____ (2 words)
  9. 16. all are bacteria
  10. 19. these have membrane-bound organelles and a nucleus
  11. 20. where you would find chromosomes in a eukaryotic cell
  12. 21. one of the starting molecules for aerobic cellular respiration
  13. 22. these molecules make up most of the plasma membrane
  14. 23. pieces of DNA in the nucleus
Down
  1. 1. the smallest living unit in the levels of complexity
  2. 2. a cell with 23 chromosomes
  3. 3. the end result of the flow of genetic information
  4. 4. this is a flat lipid molecule that helps stabilize the plasma memrane struccture
  5. 8. where most of the ATP in cells is made
  6. 10. where proteins are made in eukaryotic and prokaryotic cells
  7. 13. a solution with a high concentration of salt that makes a cell shrivel
  8. 15. diffusion of water through a semi-permeable membrane
  9. 17. one of the products of aerobic cellular respiration
  10. 18. produces sperm and egg cells
  11. 20. isotonic solution that is 0.9% salt (2 words)